Keystones — Lintel
Five GCSE retrieval questions · 30 September 2022 · mathsvault.uk/keystones
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1. Number Converting to standard form
590000
Answer: 5.9 × 105 -
2. Algebra Factorising monic quadratics
Factorise: x² - 8x + 16
Answer: (x - 4)(x - 4) -
3. Geometry SOHCAHTOA — missing length
Adjacent = 24cm, angle = 44°. Find opposite
Answer: 23.2cm -
4. Ratio Mixed ratio problems
£294.00 is shared between A and B in the ratio 1:2. How much does A receive?
Answer: £98.00 -
5. Statistics Mean
Calculate the mean of: 34, 26, 23, 37, 22, 44, 9, 28
Answer: 27.9